Weather in Genf in September
Climate normals based on 10 years of historical data for Genf, Schweiz.
Average high
21°C
Average low
12°C
Rainfall
101 mm
10 rainy days
Sunshine
4.9h/day
Luftfeuchtigkeit
78%
How Hot Is Genf in September?
September keeps Genf warm but with noticeable cooling at night: 21°C peaks, 12°C lows.
Sunshine Hours in September
Daylight runs 7:15 am to 7:45 pm, with 4.9h of typical sun in Genf this September.
Does It Rain In Genf In September?
September is one of the wetter months in Genf: 101mm of rain across 10 days, with rain on most days.
Is Genf Humid In September?
Genf is sticky and humid throughout September: 78% humidity makes the heat feel relentless.
Wind In Genf In September
Winds stay light in Genf — averaging 10 kph in September, with mostly still air.
Cloud Cover In Genf In September
Cloudy skies dominate Genf in September — averaging 52% cloud cover.
Cities With Similar Weather In September
Weather in Genf, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 5°C / -1°C | 130mm | Details → |
| Wetter im Februar | 8°C / 0°C | 86mm | Details → |
| Wetter im März | 11°C / 2°C | 109mm | Details → |
| Wetter im April | 15°C / 5°C | 85mm | Details → |
| Wetter im Mai | 18°C / 9°C | 148mm | Details → |
| Wetter im Juni | 24°C / 14°C | 118mm | Details → |
| Wetter im Juli | 26°C / 16°C | 104mm | Details → |
| Wetter im August | 26°C / 15°C | 89mm | Details → |
| Wetter im September | 21°C / 12°C | 101mm | |
| Wetter im Oktober | 16°C / 8°C | 115mm | Details → |
| Wetter im November | 10°C / 3°C | 125mm | Details → |
| Wetter im Dezember | 7°C / 0°C | 136mm | Details → |